CN103280162A - Display substrate and driving method thereof and display device - Google Patents

Display substrate and driving method thereof and display device Download PDF

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Publication number
CN103280162A
CN103280162A CN2013101731230A CN201310173123A CN103280162A CN 103280162 A CN103280162 A CN 103280162A CN 2013101731230 A CN2013101731230 A CN 2013101731230A CN 201310173123 A CN201310173123 A CN 201310173123A CN 103280162 A CN103280162 A CN 103280162A
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Prior art keywords
sub
pixel
base plate
display base
pixels
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CN2013101731230A
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CN103280162B (en
Inventor
陈俊生
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BOE Technology Group Co Ltd
Ordos Yuansheng Optoelectronics Co Ltd
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BOE Technology Group Co Ltd
Ordos Yuansheng Optoelectronics Co Ltd
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Priority to CN201310173123.0A priority Critical patent/CN103280162B/en
Publication of CN103280162A publication Critical patent/CN103280162A/en
Priority to US14/345,338 priority patent/US9735207B2/en
Priority to PCT/CN2013/086901 priority patent/WO2014180104A1/en
Priority to EP13834353.8A priority patent/EP2996106A4/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0457—Improvement of perceived resolution by subpixel rendering

Abstract

The invention provides a display substrate, a driving method of the display substrate and a display device and belongs to the technical field of display. The display substrate, the driving method of the display substrate and the display device can solve the problem that an existing organic light-emitting diode display device is low in resolution ratio. The display substrate comprises a plurality of sub pixels which are arranged in a matrix and divided into at least two colors. A plurality of sub pixel sets are formed by the sub pixels in each color. Each sub pixel set comprises at least two sub pixels which are identical in color and arranged adjacently in the first direction. The first direction is the direction of a row or a line. The sub pixel sets of the different colors are arranged in turn in the first direction. The display substrate can be used in the display device, especially in the organic light-emitting diode display device with different sub pixels using different organic light-emitting layer materials.

Description

Display base plate and driving method thereof, display device
Technical field
The invention belongs to the display technique field, be specifically related to a kind of display base plate and driving method thereof, display device.
Background technology
As shown in Figure 1, each pixel cell 1 of Organic Light Emitting Diode (OLED) display device (being " point " on the display screen) is made of a plurality of adjacent subpixels 8 that are arranged in delegation, and each sub-pixel 8 comprises a light emitting diode, the light of 8 different colours of each sub-pixel (as the RGB pattern, namely each pixel cell 1 by glow, three sub-pixel R, G, B of green glow, blue light constitute).For making the light of 8 different colours of sub-pixel, a kind of method is that the Organic Light Emitting Diode of each sub-pixel 8 is all emitted white light, and the color film that different colours is set in each sub-pixel 8 simultaneously filters; But method more commonly used is to use different organic light emission layer materials in the organic light-emitting diodes of different subpixel 8, thereby makes each Organic Light Emitting Diode directly send out the light of different colours.
To the organic LED display device of the different organic light emission layer materials of each sub-pixel 8 employing, the organic luminous layer of its different colours sub-pixel 8 obviously will be made (but other structures such as electrode in each sub-pixel 8 can be unified to form) respectively in different evaporation operations.As shown in Figure 1, when the organic luminous layer of evaporation sub-pixels 8, to block other sub-pixels 8 with the occlusion part 91 of evaporation mask version 9 (FFM), thereby the organic light emission layer material is deposited on the required sub-pixel 8 (on column direction by opening 92, the sub-pixel 8 of color of the same race forms a line, their organic luminous layer connects together, so do not need occlusion part 91).
As shown in Figure 2, the width c=of this occlusion part 91 (b+2d * tan α), wherein b is the width at occlusion part 91 middle parts, and d is the thickness of evaporation mask version 9, and α is the angle of gradient of occlusion part 91.In order to guarantee occlusion effect preferably, thus the α of evaporation mask version 9 to remain between 40～60 degree, simultaneously because the restriction of existing manufacturing technology level, so d is difficult to accomplish less than 30 μ m; Therefore, the minimum value of occlusion part 91 width also is restricted.Because occlusion part 91 width are interval with 8 of sub-pixels (be exactly the width of two sub-pixels 8 to the RGB pattern), therefore the limited minimum dimension that just equals sub-pixel 8 of the minimum widith of occlusion part 91 is limited, thereby cause resolution (pixel cell 1 number in the unit sizes) to be restricted, influence display quality.
For improving the resolution of organic LED display device, the someone proposes the Pentile arrangement mode of sub-pixel 8.In the Pentile arrangement mode, as shown in Figure 3, red and blue subpixels R, B quantity reduce by half, and each redness and blue subpixels R, B " share " by two pixel cells 1, can count at sub-pixel 8 like this makes pixel cell 1 number increase raising resolution under the constant situation.Obviously, because parton pixel 8 in the Pentile arrangement mode (as red and blue subpixels R, B) quantity reduces, and the sub-pixel 8 that shares can not accurately show the content of two pixel cells 1 simultaneously, for this reason, the area (increasing as the area with red and blue subpixels R, B) that needs adjustment member sub-pixel 8, and cooperate specific display algorithm (namely calculating the algorithm of each sub-pixel 8 GTG), do not reduce to guarantee its display quality.
The inventor finds that there are the following problems at least in the prior art: the sub-pixel size of Pentile arrangement mode still is subjected to the restriction of evaporation mask version blocked area width, sub-pixel size does not reduce (the parton pixel has also become greatly), it is low to that is to say that it can not fundamentally improve organic LED display device resolution, just makes resolution " seem " to improve.
Summary of the invention
Technical matters to be solved by this invention comprises, at the limited problem of existing Organic Light Emitting Diode display technique resolution, provides the high display base plate of a kind of resolution, display device and display packing.
Solve the technical scheme that the technology of the present invention problem adopts and provide a kind of display base plate, it comprise line up matrix, be divided into a plurality of sub-pixels of two kinds of colors at least; And
The sub-pixel of every kind of color constitutes a plurality of sub-pixel groups, and each sub-pixel group comprises at least two color sub-pixels identical and adjacent arrangement in first direction, and described first direction is the direction of row or column;
The sub-pixel group of each color is arranged in first direction in turn.
Wherein, " first direction " refers to the direction of row or column, the even sub-pixel adjacent arrangement in delegation (first direction is line direction) in each sub-pixel group, and then the sub-pixel group of different colours is also arranged in delegation in turn; And if the adjacent arrangement (first direction is column direction) in row of the sub-pixel in each sub-pixel group, then the sub-pixel group of different colours is also arranged in row in turn.
Preferably, the sub-pixel number that comprises of each sub-pixel group is all identical.
Further preferred, each sub-pixel group includes two sub-pixels.
Further preferred, the sub-pixel group of each color is arranged in the row direction in turn; The sub-pixel group of each color is arranged in column direction in turn.
Preferably, described display base plate is the Organic Light Emitting Diode display base plate, each described sub-pixel comprises an Organic Light Emitting Diode, the organic light emission layer material difference of the Organic Light Emitting Diode of different colours sub-pixel, and forming with in an evaporation process with the organic luminous layer of the Organic Light Emitting Diode of sub-pixels.
Sub-pixel is that unit arranges with " group " in the display base plate of the present invention, so increase with the sub-pixel number between sub-pixels, the sub-pixel number of each occlusion part correspondence increases, therefore the size (width or height) of each sub-pixel can reduce the actual raising of resolution under the constant situation of occlusion part width.
The technical scheme that solution the technology of the present invention problem adopts provides a kind of driving method of above-mentioned display base plate, and it comprises:
For each sub-pixel provides the driving signal, make each pixel cell that is constituted by described sub-pixel comprise each one of the sub-pixel of every kind of color, each sub-pixel of each pixel cell is all arranged along first direction.
Wherein, " each sub-pixel of pixel cell is all arranged along first direction " refers to that each the arrangement of subpixels direction in the same pixel cell also is first direction; The even sub-pixel adjacent arrangement in delegation (first direction is line direction) in each sub-pixel group, then each sub-pixel in pixel cell also is arranged in delegation; And if the adjacent arrangement (first direction is column direction) in row of the sub-pixel in each sub-pixel group, then each sub-pixel in pixel cell also is arranged in delegation.
Preferably, at least part of sub-pixel is shared by two adjacent unit pixel.
Further preferred, each sub-pixel group all comprises two sub-pixels in the described display base plate, and described display base plate comprises the sub-pixel of three kinds of colors; Each pixel cell comprises two adjacent sub-pixels, and one with described two adjacent subpixels sub-pixel of a sub-pixel at interval.
Preferably, any one sub-pixel all only belongs to a pixel cell.
Preferably, a plurality of sub-pixels of each pixel cell lay respectively in a plurality of adjacent pixels groups.
Because the driving method of display base plate of the present invention at above-mentioned display base plate, therefore can improve the resolution of display base plate.
The technical scheme that solution the technology of the present invention problem adopts provides a kind of display device, and it comprises above-mentioned display base plate.
Because display device of the present invention comprises above-mentioned display base plate, so its resolution height.
The present invention can be used in the display device, and especially different subpixel is used the organic LED display device of different organic light emission layer materials.
Description of drawings
Fig. 1 is the corresponding relation synoptic diagram of evaporation mask version and existing sub-pixel;
Fig. 2 is the sectional structure synoptic diagram of evaporation mask version;
Fig. 3 is the synoptic diagram that pixel cell is divided in delegation's sub-pixel of existing P entile arrangement mode;
Fig. 4 is the corresponding relation synoptic diagram of sub-pixel of the display base plate of evaporation mask version and the embodiment of the invention 1;
Fig. 5 is the synoptic diagram that pixel cell is divided in delegation's sub-pixel of display base plate of the embodiment of the invention 1;
Fig. 6 is the synoptic diagram that another kind of pixel cell is divided in delegation's sub-pixel of display base plate of the embodiment of the invention 1.
Wherein Reference numeral is: 1, pixel cell; 8, sub-pixel; 81, sub-pixel group; 9, evaporation mask version; 91, occlusion part; 92, opening.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Embodiment 1:
Present embodiment provides a kind of display base plate, and to shown in Figure 6, it comprises substrate (being generally glass), and is located at suprabasil a plurality of sub-pixel 8 as Fig. 4, and these sub-pixels 8 are lined up the form of matrix, and are divided into two kinds of colors at least.
The display base plate of present embodiment is example with the RGB pattern, and namely it comprises redness (R), green (G), blue (B) three sub pixels 8.
Wherein, the sub-pixel 8 of every kind of color constitutes a plurality of " sub-pixel groups 81 ", comprises at least two color sub-pixels 8 identical and adjacent arrangement in delegation in each sub-pixel group 81; The sub-pixel group 81 of different colours is arranged (mode or other sequential loop of namely pressing " red sub-pixel group 81-green sub-pixels group 81-blue subpixels group 81-red sub-pixel group 81 ") in turn and is become delegation or row.The embodiment of the invention is arranged in delegation in turn with the sub-pixel group 81 of different colours and is specifically described.
As seen, sub-pixel 8 is that unit is arranged with " sub-pixel group 81 ", the sub-pixel 8 that is to say every kind of color no longer is single arrangement, but arrange in a plurality of modes together, like this, between the sub-pixel 8 (the sub-pixel group 81 in other words) of color of the same race every sub-pixel 8 numbers just increased.
Preferably, sub-pixel 8 numbers that comprise of each sub-pixel group 81 are all identical.Like this, versicolor sub-pixel 8 sums are exactly identical, and algorithm is fairly simple when therefore showing with it, need not consider because of the sub-pixel 8 of certain color and the different whole colour casts that cause of sub-pixel 8 quantity of other colors.
Further preferred, each sub-pixel group 81 includes two sub-pixels 8.Because each sub-pixel 8 content displayed in pixel cell 1 are wanted just can become visible point on the display screen behind the mixed light, so 8 distances of each sub-pixel in pixel cell 1 can not be too big, and namely sub-pixel 8 numbers in each sub-pixel group 81 can not be too many.Preferably, each sub-pixel group 81 comprises two sub-pixels 8, and its mixed light ratio when showing is easier to, and display effect is better.
Of course it is to be understood that just object lesson such as the color mode of above-described sub-pixel 8, sub-pixel 8 numbers in each sub-pixel group 81, it all can adopt other different forms; For example, sub-pixel 8 colors also can be RGBW pattern (red, green, blue, white) or RGBY pattern (red, green, blue, yellow), and can comprise three or more sub-pixel 8 in each sub-pixel group 81.
Preferred, as shown in Figure 4, the sub-pixel group 81 of each color is arranged in turn on column direction.That is to say, unlike the prior art, in the display base plate of present embodiment, the color of same row sub-pixel 8 also is to change in turn, but not unification is a kind of color, be repetitive with sub-pixel group 81 namely, the sub-pixel group 81 of each color can be arranged with the mosaic form, just the sub-pixel group 81 of same color is non-conterminous, be arranged as red sub-pixel group 81-green sub-pixels group 81-blue subpixels group 81-red sub-pixel group 81 as the capable sub-pixel group 81 of i " mode circulate; then the arrangement of the capable sub-pixel group 81 of i+1 can be green sub-pixels group 81-blue subpixels group 81-red sub-pixel group 81-green sub-pixels group 81 " mode circulate, and the like.Certainly, putting in order of the sub-pixel group 81 of each color can be identical or different with putting in order of the sub-pixel group 81 of each color on the line direction on the column direction, and present embodiment is not all done restriction.Arranging like this is because each pixel cell 1 is not made up of adjacent subpixels 8 in the present embodiment, thus its colour mixture difficulty relatively, and make the color wheel rheologyization of sub-pixel 8 at column direction, and can make that the mixed light of integral body is more even, reach better display effect.
In addition, the spread pattern of sub-pixel group 81 can also be rounded projections arranged, be that the stagger distance of a sub-pixel 8 of the sub-pixel group 81 of sub-pixel group 81 and the adjacent lines of each row arranges, be the RRGGBB repeated arrangement as the capable arrangement mode of i, the capable correspondence of i+1 can be BRRGGB or RGGBBR etc.Then in this arrangement mode, single sub-pixel 8 can appear in the head and the tail of part row (odd-numbered line or even number line), but not sub-pixel group 81.For the distortion of these arrangement modes, the embodiment of the invention is not done restriction yet.
Preferably, display base plate is the Organic Light Emitting Diode display base plate, be provided with an Organic Light Emitting Diode (by negative electrode in its each sub-pixel 8, organic luminous layer, anode is formed), and the organic luminous layer in the Organic Light Emitting Diode of the sub-pixel 8 of different colours adopts different materials to make, by in the present embodiment sub-pixel 8 of color of the same race being formed the mode of sub-pixel group 81, organic luminous layer in the Organic Light Emitting Diode of the sub-pixel 8 of color of the same race forms in an evaporation process, can simplify evaporation process, can solve simultaneously because the problem that evaporation mask version preparation technology's restriction causes resolution not significantly improve.Certainly, should comprise also in the Organic Light Emitting Diode display base plate that gate line, data line, thin film transistor (TFT) drive array, pixel limits layer (PDL) and waits other known structure, introduce no longer in detail at this.
As shown in Figure 4, be example in sub-pixel group 81 mosaic arrangement modes, be every kind of color sub-pixel group 81 around be the sub-pixel group 81 of other colors, in the evaporate process of the display base plate of present embodiment, each occlusion part 91 corresponding four (two groups) sub-pixel 8 of evaporation mask version 9, like this under the constant situation of occlusion part 91 width, the width of each sub-pixel 8 can be reduced to half (because of each occlusion part 91 corresponding two sub-pixel 8 in the prior art) of prior art, reduced thereby the size of its sub-pixel 8 is actual, resolution is improved; Simultaneously, the opening 92 of evaporation mask version 9 also can corresponding two sub-pixels 8 (organic luminous layer that is adjacent Organic Light Emitting Diode with sub-pixels 8 connects together), so the size of opening 92 can be bigger, also relatively are convenient to make.Certainly and since the display base plate of present embodiment on column direction the color of sub-pixel 8 change, so its corresponding opening 92 also will be divided into the multistage of sub-pixel groups 81 distances that stagger on column direction.
Sub-pixel 8 is that unit arranges with " group " in the display base plate of the embodiment of the invention, so sub-pixel 8 numbers with 8 of sub-pixels increase, sub-pixel 8 numbers of each occlusion part 91 correspondence increase, therefore the size (width or height) of each sub-pixel 8 can reduce the actual raising of resolution under the constant situation of occlusion part 91 width.
Certainly, though present embodiment is applicable to above-mentioned Organic Light Emitting Diode display base plate, if the structure of present embodiment is used for other display base plate (as using the Organic Light Emitting Diode display base plate of color film, or liquid crystal display substrate), also be feasible.
Because variation has taken place in the display substrate structure of present embodiment, so its driving method (division of pixel cell 1 in other words) also can change to some extent.The driving method of the display base plate of present embodiment comprises: for each sub-pixel 8 provides the driving signal, make each pixel cell 1 that is constituted by described sub-pixel 8 comprise the sub-pixel 8 each of every kind of color, and each sub-pixel 8 in each pixel cell 1 is arranged along first direction.Need to prove, the demonstration of pixel cell 1 is the result who mixes by the driving content displayed (color and brightness etc.) of each sub-pixel 8, therefore the demonstration of pixel cell 1 is not only relevant with the type and the quantity that constitute sub-pixel 8, also relevant with its array configuration, it is also different that the sub-pixel 8 of various combination form constitutes pixel cell 1 needed driving signal.
That is to say, every capable sub-pixel 8 is divided into a plurality of pixel cells 1, and provide the driving signal according to each pixel cell 1 required color for wherein each sub-pixel 8, they are divided in a plurality of pixel cells 1; Wherein, the sub-pixel 8 of every kind of color has and has only one in each pixel cell 1, present embodiment is each pixel cell 1 comprises a redness (R) sub-pixel 8, green (G) sub-pixel 8, blueness (B) sub-pixel 8.
Preferably, a plurality of sub-pixels 8 of each pixel cell 1 lay respectively in a plurality of adjacent sub-pixel groups 81.As previously mentioned, because a plurality of sub-pixels 8 in pixel cell 1 need colour mixture, so that these sub-pixels 8 should not be separated by is too far away, therefore a plurality of sub-pixels 8 in pixel cell 1 are preferably selected from contiguous sub-pixel group 81.
Preferably, at least part of sub-pixel 8 is shared by two pixel cells 1.That is to say that the sub-pixel 8 in the display base plate of present embodiment also can be as being shared in the Pentile arrangement mode, thereby further improve its resolution.At least part of sub-pixel 8 shares and refers to: in each row sub-pixel 8 since the parton pixel 8 of head and the tail may only exist with a pixel cell 1 in, therefore do not need to share with other pixel cells 1; Perhaps in other arrangement modes or driving method, some middle sub-pixel 8 also can be can't help two pixel cells 1 and be shared, and these embodiment of the invention are not done restriction.
Further preferred, for the display base plate of the RGB pattern of present embodiment, its each pixel cell 1 comprises two adjacent sub-pixels 8, and two adjacent subpixels 8 sub-pixel 8 of a sub-pixel 8 at interval therewith.That is to say that as shown in Figure 5, the mode that preferred the employing " shares every the position " shares sub-pixel 8; Wherein, because the sub-pixel 8 of every kind of color has only one in each pixel cell 1, so above-mentioned two adjacent sub-pixels 8 must belong to two adjacent sub-pixel groups 81 respectively, and with this two adjacent subpixels 8 sub-pixel 8 of sub-pixel 8 (in the present embodiment to be spaced apart example to the right) at interval, must be the sub-pixel 8 of the third color.Above-mentioned sub-pixel 8 shares mode and can reach best colour mixture effect, makes display effect the best.
Certainly, more than what lift is that a kind of concrete sub-pixel 8 shares modes, also be feasible if adopt other shared mode.
Preferably, any one sub-pixel 8 also can all only belong to a pixel cell 1, namely also can not carry out sub-pixel 8 and share.
For example, can be as shown in Figure 6, six sub-pixels 8 in three adjacent subpixels groups 81 can belong to two pixel cells 1 respectively, comprise three sub-pixels 8 in each pixel cell 1, and do not have any shared sub-pixel 8.
Obviously, anyway divide pixel cell 1, three sub-pixels 8 in the pixel cell 1 of the display base plate of present embodiment all can not be adjacent fully, therefore its colour mixture effect can be than prior art difference, display quality (as the color homogeneity) has certain reduction, but under the situation of sub-pixel 8 sizes enough little (as width less than 20 μ m), the reduction of this display quality is very little, can accept fully.
Need to prove, present embodiment describes for the sub-pixel 8 with same color adjacent in the delegation constitutes example with sub-pixel group 81, in fact, sub-pixel group 81 can also constitute for the sub-pixel 8 of same color adjacent in the same row, constitute a sub-pixel groups 81 as adjacent two sub-pixels 8 with color in every row, the sub-pixel group 81 of a plurality of different colours is arranged in order in turn and forms row, simultaneously, on the line direction, the sub-pixel group 81 of a plurality of different colours also is to be arranged in order in turn, just forms the arrangement mode of mosaic.For this arrangement mode, its driving method is also similar with driving method described in the present embodiment, namely also can adopt the mode that shares every the position to share sub-pixel 8, perhaps the mode of two pixel cells 1 of three adjacent sub-pixel group 81 formation drives, and repeats no more herein.
Embodiment 2:
Present embodiment provides a kind of display device, and it comprises above-mentioned display base plate.Described display device can be any product or parts with Presentation Function such as display panels, Electronic Paper, oled panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
Because the display device of present embodiment comprises above-mentioned display base plate, so its resolution height, display quality is good.
Be understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present invention is described, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement also are considered as protection scope of the present invention.

Claims (11)

1. display base plate, comprise line up matrix, be divided into a plurality of sub-pixels of two kinds of colors at least, it is characterized in that,
The sub-pixel of every kind of color constitutes a plurality of sub-pixel groups, and each sub-pixel group comprises at least two color sub-pixels identical and adjacent arrangement in first direction, and described first direction is the direction of row or column;
The sub-pixel group of each color is arranged in first direction in turn.
2. display base plate according to claim 1 is characterized in that,
The sub-pixel number that each sub-pixel group comprises is all identical.
3. display base plate according to claim 2 is characterized in that,
Each sub-pixel group includes two sub-pixels.
4. display base plate according to claim 3 is characterized in that,
The sub-pixel group of each color is arranged in turn in the row direction;
The sub-pixel group of each color is arranged in column direction in turn.
5. according to any described display base plate in the claim 1 to 4, it is characterized in that,
Described display base plate is the Organic Light Emitting Diode display base plate, each described sub-pixel comprises an Organic Light Emitting Diode, the organic light emission layer material difference of the Organic Light Emitting Diode of different colours sub-pixel is forming with in an evaporation process with the organic luminous layer of the Organic Light Emitting Diode of sub-pixels.
6. the driving method of a display base plate is characterized in that, described display base plate is any described display base plate in the claim 1 to 5, and the driving method of described display base plate comprises:
For each sub-pixel provides the driving signal, make each pixel cell that is constituted by described sub-pixel comprise each one of the sub-pixel of every kind of color, and each sub-pixel of each pixel cell is all arranged along first direction.
7. the driving method of display base plate according to claim 6 is characterized in that,
At least part of sub-pixel is shared by two adjacent unit pixel.
8. the driving method of display base plate according to claim 7 is characterized in that,
Each sub-pixel group all comprises two sub-pixels in the described display base plate, and described display base plate comprises the sub-pixel of three kinds of colors;
Each pixel cell comprises two adjacent sub-pixels, and one with described two adjacent subpixels sub-pixel of a sub-pixel at interval.
9. the driving method of display base plate according to claim 6 is characterized in that,
Any one sub-pixel all only belongs to a pixel cell.
10. according to the driving method of any described display base plate in the claim 6 to 9, it is characterized in that,
A plurality of sub-pixels of each pixel cell lay respectively in a plurality of adjacent sub-pixel groups.
11. a display device is characterized in that, comprising:
Any described display base plate in the claim 1 to 5.
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